iru3055 International Rectifier Corp., iru3055 Datasheet - Page 22

• Manufacturer Part Number: iru3055
• Description: 5-bit Programmable 3-phase Synchronous Buck Controller Ic -
• Manufacturer: International Rectifier Corp.

IRU3055
EXPERIMENT WAVEFORMS FOR TYPICAL APPLICATION (2)
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Figure 25 - 60A Load dynamic with 20A/ms slew rate.
Ch4: Output current, sensed through 2mV resistor, 25A/div.
Ch3: Ouput voltage, DC offset 1.3V, 100mV/div.
Figure 26 - 3-Phase inductor current at 60A load,
Ch1, Ch2 and Ch3: 10A/div and gate signal.
Ch3: 1.5V Output. Ch4: PGood.
Ch1: 1.2V VID. Ch2: VID Good.
Figure 24 - Soft-start.
www.irf.com
08/13/02
Rev. 1.4